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Finding the Fourth Proportional to 577,471.90, 866,207.85 and 156,799.90

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Solution

The fourth proportional to 577,471.90, 866,207.85 and 156,799.90 is: 235,199.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    577,471.90 : 866,207.85 = 156,799.90 : x
  2. Step 2: Convert to fraction form
    577,471.90/866,207.85 = 156,799.90/x
  3. Step 3: Cross multiply
    577,471.90x = 866,207.85 × 156,799.90
  4. Step 4: Simplify right side
    577,471.90x = 135,821,304,259.22
  5. Step 5: Solve for x
    x = 135,821,304,259.22/577,471.90
  6. Step 6: Final answer
    x = 235,199.85

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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.